package com.t17;

import java.util.LinkedList;

/**
 * Created by xuyiwei on 2018/8/15.
 */
public class Deque<T> {
    private LinkedList<T> deque = new LinkedList<T>();
    public void addFirst(T e){deque.addFirst(e);}
    public void addLast(T e){deque.addLast(e);}
    public T  getFirst(){ return deque.getFirst();}
    public T  getLast(){return deque.getLast();}
    public T  removeFirst(){return deque.removeFirst();}
    public T  removeLast(){return deque.removeLast();}
    public int size(){return deque.size();}
    public String toString(){return deque.toString();}
}
